Bottle cap



FIG. 1 is a top perspective view of the bottle cap;

FIG. 2 is a bottom perspective view of the bottle cap;

FIG. 3 is a top view of the bottle cap;

FIG. 4 is a side elevation view of the bottle cap; and,

FIG. 5 is a bottom view of the bottle cap.

The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a bottle cap, as shown and described. 